Respiratory therapy device



FIG. 1 is a top perspective view of the respiratory therapy device;

FIG. 2 is a bottom perspective view of the respiratory therapy device;

FIG. 3 is a side elevational view of the respiratory therapy device;

FIG. 4 is a top plan view of the respiratory therapy device;

FIG. 5 is a bottom plan view of the respiratory therapy device;

FIG. 6 is a side elevational view of the side opposite that shown in FIG. 3;

FIG. 7 is an end elevational view of the respiratory therapy device; and,

FIG. 8 is an elevational view of the end opposite to that shown in FIG. 7. 

The ornamental design for a respiratory therapy device, as shown and described. 